code: def test_barh_plot_with_x_y(self):
      def check_barh_plot_with_x_y(pdf, psdf, x, y):
          self.assertEqual(
              pdf.plot(kind="barh", x=x, y=y),
              psdf.plot(kind="barh", x=x, y=y),
          )
          self.assertEqual(
              pdf.plot.barh(x=x, y=y), psdf.plot.barh(x=x, y=y)
          )
  
      # this is testing plot with specified x and y
      pdf1 = pd.DataFrame({"lab": ["A", "B", "C"], "val": [10, 30, 20]})
      psdf1 = ps.from_pandas(pdf1)
      check_barh_plot_with_x_y(pdf1, psdf1, x="lab", y="val")
  
imports: import unittest
  import pprint
  import pandas
  import numpy
  from pyspark import pandas
  from pyspark.pandas.config import set_option, reset_option
  from pyspark.testing.pandasutils import have_plotly, plotly_requirement_message, PandasOnSparkTestCase, TestUtils
  from pyspark.pandas.utils import name_like_string
label_desc: Use image node_id 8 for calling the DataFramePlotPlotlyTestsMixin obj's underlying member method code with example usage: obj.test_barh_plot_with_x_y() without return types